Get a handful labeled shoulder muscle diagrams to assist your study about human’s shoulder muscle anatomy. These printable muscle diagrams are provided to guide you in studying the structure of the shoulder muscle. These shoulder muscles diagram includes some organs and can give you some detailed information about the structures of shoulder muscles. The diagrams are provided in the following images.
As you can see in the shoulder muscle diagram above, the muscles of the shoulder are associated with movements of the upper limb. They produce the characteristic shape of the shoulder, and can be divided into two groups: (1)
Extrinsic which originates from the torso, and attach to the bones of the shoulder (clavicle, scapula, or humerus); and (2) Intrinsic which originates from the scapula and/or clavicle, and attach to the humerus. The intrinsic muscles (also known as the scapulohumeral group) originate from the scapula and/or clavicle, and attach to the humerus. For a more detailed illustration, take a look at the following muscle diagrams of the shoulder.
The deltoid muscle is the muscle forming the rounded contour of the shoulder. When all its fibers contract simultaneously, the deltoid is the prime mover of arm abduction along the frontal plane. The arm must be medially rotated for the deltoid to have maximum effect. The most important shoulder muscles are the four rotator cuff muscles: the subscapularis, supraspinatus, infraspinatus and teres minor muscles – which connect the scapula to the humerus and provide support for the glenohumeral joint.
As you begin to understand the anatomy of your shoulder muscles, you’ll learn how to maximize your shoulder exercise. Learn more about the other human body structure and anatomy diagrams by browsing through our latest posts or looking it up on the search column!